Move the transform and lighting code to two new directories

	math:  Provides basic matrix and vector functionality that
               might be useful to multiple software t&l
	       implementations, and is used by core mesa to
	       manage the Model, Project, etc matrices.

	tnl:   The real transform & lighting code from core mesa,
	       including everything from glVertex3f through vertex
	       buffer handling, transformation, clipping, lighting
	       and handoff to a driver for rasterization.

The interfaces of these can be further tightened up, but the basic
splitting up of state and code move is done.

1 files changed, 101 insertions, 149 deletions

diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index aff60fb5073..c0e75e92984 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1,4 +1,4 @@
-/* $Id: context.c,v 1.105 2000/11/15 16:38:40 brianp Exp $ */
+/* $Id: context.c,v 1.106 2000/11/16 21:05:34 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -33,7 +33,6 @@
 #include "clip.h"
 #include "colortab.h"
 #include "context.h"
-#include "cva.h"
 #include "dlist.h"
 #include "eval.h"
 #include "enums.h"
@@ -46,25 +45,21 @@
 #include "imports.h"
 #include "light.h"
 #include "macros.h"
-#include "matrix.h"
 #include "mem.h"
 #include "mmath.h"
-#include "pipeline.h"
-#include "shade.h"
 #include "simple_list.h"
-#include "stages.h"
 #include "state.h"
-#include "translate.h"
 #include "teximage.h"
 #include "texobj.h"
 #include "texture.h"
 #include "types.h"
 #include "varray.h"
-#include "vb.h"
-#include "vbrender.h"
-#include "vbxform.h"
-#include "vertices.h"
-#include "xform.h"
+
+#include "math/m_translate.h"
+#include "math/m_vertices.h"
+#include "math/m_matrix.h"
+#include "math/m_xform.h"
+#include "math/math.h"
 #endif
 
 #if defined(MESA_TRACE)
@@ -73,6 +68,25 @@
 #endif
 
 
+#ifndef MESA_VERBOSE
+int MESA_VERBOSE = 0 
+/*                 | VERBOSE_PIPELINE */
+/*                 | VERBOSE_IMMEDIATE */
+/*                 | VERBOSE_VARRAY */
+/*                 | VERBOSE_TEXTURE */
+/*                 | VERBOSE_API */
+/*                 | VERBOSE_DRIVER */
+/*                 | VERBOSE_STATE */
+/*                 | VERBOSE_CULL */
+/*                 | VERBOSE_DISPLAY_LIST */
+;
+#endif
+
+#ifndef MESA_DEBUG_FLAGS
+int MESA_DEBUG_FLAGS = 0 
+/*                 | DEBUG_ALWAYS_FLUSH */
+;
+#endif
 
 /**********************************************************************/
 /*****       OpenGL SI-style interface (new in Mesa 3.5)          *****/
@@ -145,12 +159,6 @@ __glCoreNopDispatch(void)
 /**********************************************************************/
 
 
-#if !defined(THREADS)
-
-struct immediate *_mesa_CurrentInput = NULL;
-
-#endif
-
 
 /**********************************************************************/
 /***** GL Visual allocation/destruction                           *****/
@@ -442,17 +450,10 @@ one_time_init( void )
       assert( sizeof(GLushort) >= 2 );
       assert( sizeof(GLuint) >= 4 );
 
-      gl_init_clip();
-      gl_init_eval();
-      _mesa_init_math();
       gl_init_lists();
-      gl_init_shade();
-      gl_init_texture();
-      gl_init_transformation();
-      gl_init_translate();
-      gl_init_vbrender();
-      gl_init_vbxform();
-      gl_init_vertices();
+
+      _mesa_init_math();
+      _math_init();
 
       if (getenv("MESA_DEBUG")) {
          _glapi_noop_enable_warnings(GL_TRUE);
@@ -809,45 +810,43 @@ init_attrib_groups( GLcontext *ctx )
    ctx->Const.NumCompressedTextureFormats = 0;
 
    /* Modelview matrix */
-   gl_matrix_ctr( &ctx->ModelView );
-   gl_matrix_alloc_inv( &ctx->ModelView );
+   _math_matrix_ctr( &ctx->ModelView );
+   _math_matrix_alloc_inv( &ctx->ModelView );
 
    ctx->ModelViewStackDepth = 0;
    for (i = 0; i < MAX_MODELVIEW_STACK_DEPTH - 1; i++) {
-      gl_matrix_ctr( &ctx->ModelViewStack[i] );
-      gl_matrix_alloc_inv( &ctx->ModelViewStack[i] );
+      _math_matrix_ctr( &ctx->ModelViewStack[i] );
+      _math_matrix_alloc_inv( &ctx->ModelViewStack[i] );
    }
 
    /* Projection matrix - need inv for user clipping in clip space*/
-   gl_matrix_ctr( &ctx->ProjectionMatrix );
-   gl_matrix_alloc_inv( &ctx->ProjectionMatrix );
-
-   gl_matrix_ctr( &ctx->_ModelProjectMatrix );
+   _math_matrix_ctr( &ctx->ProjectionMatrix );
+   _math_matrix_alloc_inv( &ctx->ProjectionMatrix );
 
    ctx->ProjectionStackDepth = 0;
-   ctx->NearFarStack[0][0] = 1.0; /* These values seem weird by make */
-   ctx->NearFarStack[0][1] = 0.0; /* sense mathematically. */
-
    for (i = 0; i < MAX_PROJECTION_STACK_DEPTH - 1; i++) {
-      gl_matrix_ctr( &ctx->ProjectionStack[i] );
-      gl_matrix_alloc_inv( &ctx->ProjectionStack[i] );
+      _math_matrix_ctr( &ctx->ProjectionStack[i] );
+      _math_matrix_alloc_inv( &ctx->ProjectionStack[i] );
    }
 
+   /* Derived ModelProject matrix */
+   _math_matrix_ctr( &ctx->_ModelProjectMatrix );
+
    /* Texture matrix */
    for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
-      gl_matrix_ctr( &ctx->TextureMatrix[i] );
+      _math_matrix_ctr( &ctx->TextureMatrix[i] );
       ctx->TextureStackDepth[i] = 0;
       for (j = 0; j < MAX_TEXTURE_STACK_DEPTH - 1; j++) {
-         gl_matrix_ctr( &ctx->TextureStack[i][j] );
+         _math_matrix_ctr( &ctx->TextureStack[i][j] );
          ctx->TextureStack[i][j].inv = 0;
       }
    }
 
    /* Color matrix */
-   gl_matrix_ctr(&ctx->ColorMatrix);
+   _math_matrix_ctr(&ctx->ColorMatrix);
    ctx->ColorStackDepth = 0;
    for (j = 0; j < MAX_COLOR_STACK_DEPTH - 1; j++) {
-      gl_matrix_ctr(&ctx->ColorStack[j]);
+      _math_matrix_ctr(&ctx->ColorStack[j]);
    }
 
    /* Accumulate buffer group */
@@ -893,19 +892,6 @@ init_attrib_groups( GLcontext *ctx )
    ctx->Current.RasterPosValid = GL_TRUE;
    ctx->Current.EdgeFlag = GL_TRUE;
    ASSIGN_3V( ctx->Current.Normal, 0.0, 0.0, 1.0 );
-   ctx->Current.Primitive = (GLenum) (GL_POLYGON + 1);
-
-   ctx->Current.Flag = (VERT_NORM |
-                        VERT_INDEX |
-                        VERT_RGBA |
-                        VERT_SPEC_RGB |
-                        VERT_FOG_COORD |
-                        VERT_EDGE |
-                        VERT_TEX0_12 |
-                        VERT_TEX1_12 |
-                        VERT_TEX2_12 |
-                        VERT_TEX3_12 |
-                        VERT_MATERIAL);
 
    init_fallback_arrays( ctx );
 
@@ -1023,15 +1009,9 @@ init_attrib_groups( GLcontext *ctx )
    ctx->MinMax.Min[BCOMP] = 1000;    ctx->MinMax.Max[BCOMP] = -1000;
    ctx->MinMax.Min[ACOMP] = 1000;    ctx->MinMax.Max[ACOMP] = -1000;
 
-   /* Pipeline */
-   gl_pipeline_init( ctx );
-   gl_cva_init( ctx );
-
    /* Extensions */
    gl_extensions_ctr( ctx );
 
-   ctx->AllowVertexCull = CLIP_CULLED_BIT;
-
    /* Lighting group */
    for (i=0;i<MAX_LIGHTS;i++) {
       init_light( &ctx->Light.Light[i], i );
@@ -1227,7 +1207,7 @@ init_attrib_groups( GLcontext *ctx )
    ctx->Viewport.Height = 0;
    ctx->Viewport.Near = 0.0;
    ctx->Viewport.Far = 1.0;
-   gl_matrix_ctr(&ctx->Viewport._WindowMap);
+   _math_matrix_ctr(&ctx->Viewport._WindowMap);
 
 #define Sz 10
 #define Tz 14
@@ -1454,12 +1434,6 @@ _mesa_initialize_context( GLcontext *ctx,
    ctx->Visual = *visual;
    ctx->DrawBuffer = NULL;
    ctx->ReadBuffer = NULL;
-
-   ctx->VB = gl_vb_create_for_immediate( ctx );
-   if (!ctx->VB) {
-      return GL_FALSE;
-   }
-   ctx->input = ctx->VB->IM;
    
    if (share_list) {
       /* share the group of display lists of another context */
@@ -1469,7 +1443,6 @@ _mesa_initialize_context( GLcontext *ctx,
       /* allocate new group of display lists */
       ctx->Shared = alloc_shared_state();
       if (!ctx->Shared) {
-         ALIGN_FREE( ctx->VB );
          return GL_FALSE;
       }
    }
@@ -1479,9 +1452,6 @@ _mesa_initialize_context( GLcontext *ctx,
 
    init_attrib_groups( ctx );
 
-   gl_reset_vb( ctx->VB );
-   gl_reset_input( ctx );
-
    if (visual->DBflag) {
       ctx->Color.DrawBuffer = GL_BACK;
       ctx->Color.DriverDrawBuffer = GL_BACK_LEFT;
@@ -1499,7 +1469,6 @@ _mesa_initialize_context( GLcontext *ctx,
 
    if (!alloc_proxy_textures(ctx)) {
       free_shared_state(ctx, ctx->Shared);
-      ALIGN_FREE( ctx->VB );
       return GL_FALSE;
    }
 
@@ -1526,7 +1495,6 @@ _mesa_initialize_context( GLcontext *ctx,
    ctx->Save = (struct _glapi_table *) CALLOC(dispatchSize * sizeof(void*));
    if (!ctx->Exec || !ctx->Save) {
       free_shared_state(ctx, ctx->Shared);
-      ALIGN_FREE( ctx->VB );
       if (ctx->Exec)
          FREE( ctx->Exec );
    }
@@ -1541,7 +1509,6 @@ _mesa_initialize_context( GLcontext *ctx,
        or should we just trap in NewTrace (currently done)? */
    if (!(ctx->TraceCtx)) {
       free_shared_state(ctx, ctx->Shared);
-      ALIGN_FREE( ctx->VB );
       FREE( ctx->Exec );
       FREE( ctx->Save );
       return GL_FALSE;
@@ -1554,7 +1521,6 @@ _mesa_initialize_context( GLcontext *ctx,
 #if 0
    if (!(ctx->TraceCtx)) {
       free_shared_state(ctx, ctx->Shared);
-      ALIGN_FREE( ctx->VB );
       FREE( ctx->Exec );
       FREE( ctx->Save );
       FREE( ctx->TraceCtx );
@@ -1613,26 +1579,21 @@ _mesa_free_context_data( GLcontext *ctx )
       _mesa_make_current(NULL, NULL);
    }
 
-   gl_matrix_dtr( &ctx->ModelView );
+   _math_matrix_dtr( &ctx->ModelView );
    for (i = 0; i < MAX_MODELVIEW_STACK_DEPTH - 1; i++) {
-      gl_matrix_dtr( &ctx->ModelViewStack[i] );
+      _math_matrix_dtr( &ctx->ModelViewStack[i] );
    }
-   gl_matrix_dtr( &ctx->ProjectionMatrix );
+   _math_matrix_dtr( &ctx->ProjectionMatrix );
    for (i = 0; i < MAX_PROJECTION_STACK_DEPTH - 1; i++) {
-      gl_matrix_dtr( &ctx->ProjectionStack[i] );
+      _math_matrix_dtr( &ctx->ProjectionStack[i] );
    }
    for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
-      gl_matrix_dtr( &ctx->TextureMatrix[i] );
+      _math_matrix_dtr( &ctx->TextureMatrix[i] );
       for (j = 0; j < MAX_TEXTURE_STACK_DEPTH - 1; j++) {
-         gl_matrix_dtr( &ctx->TextureStack[i][j] );
+         _math_matrix_dtr( &ctx->TextureStack[i][j] );
       }
    }
 
-   if (ctx->input != ctx->VB->IM)
-      gl_immediate_free( ctx->input );
-
-   gl_vb_free( ctx->VB );
-
    _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
    ctx->Shared->RefCount--;
    assert(ctx->Shared->RefCount >= 0);
@@ -1696,12 +1657,6 @@ _mesa_free_context_data( GLcontext *ctx )
    _mesa_free_colortable_data( &ctx->PostColorMatrixColorTable );
    _mesa_free_colortable_data( &ctx->Texture.Palette );
 
-   /* Free cache of immediate buffers. */
-   while (ctx->nr_im_queued-- > 0) {
-      struct immediate * next = ctx->freed_im_queue->next;
-      ALIGN_FREE( ctx->freed_im_queue );
-      ctx->freed_im_queue = next;
-   }
    gl_extensions_dtr(ctx);
 
    FREE(ctx->Exec);
@@ -1828,6 +1783,29 @@ _mesa_make_current( GLcontext *newCtx, GLframebuffer *buffer )
 }
 
 
+static void print_info( void )
+{
+   fprintf(stderr, "Mesa GL_VERSION = %s\n", 
+	   (char *) _mesa_GetString(GL_VERSION));
+   fprintf(stderr, "Mesa GL_RENDERER = %s\n", 
+	   (char *) _mesa_GetString(GL_RENDERER));
+   fprintf(stderr, "Mesa GL_VENDOR = %s\n", 
+	   (char *) _mesa_GetString(GL_VENDOR));
+   fprintf(stderr, "Mesa GL_EXTENSIONS = %s\n", 
+	   (char *) _mesa_GetString(GL_EXTENSIONS));
+#if defined(THREADS)
+   fprintf(stderr, "Mesa thread-safe: YES\n");
+#else
+   fprintf(stderr, "Mesa thread-safe: NO\n");
+#endif
+#if defined(USE_X86_ASM)
+   fprintf(stderr, "Mesa x86-optimized: YES\n");
+#else
+   fprintf(stderr, "Mesa x86-optimized: NO\n");
+#endif
+}
+
+
 /*
  * Bind the given context to the given draw-buffer and read-buffer
  * and make it the current context for this thread.
@@ -1836,23 +1814,8 @@ void
 _mesa_make_current2( GLcontext *newCtx, GLframebuffer *drawBuffer,
                      GLframebuffer *readBuffer )
 {
-#if 0
-   GLcontext *oldCtx = gl_get_context();
-
-   /* Flush the old context
-    */
-   if (oldCtx) {
-      ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(oldCtx, "_mesa_make_current");
-
-      /* unbind frame buffers from context */
-      if (oldCtx->DrawBuffer) {
-         oldCtx->DrawBuffer = NULL;
-      }
-      if (oldCtx->ReadBuffer) {
-         oldCtx->ReadBuffer = NULL;
-      }
-   }
-#endif
+   if (MESA_VERBOSE) 
+      fprintf(stderr, "_mesa_make_current2()\n");
 
    /* We call this function periodically (just here for now) in
     * order to detect when multithreading has begun.
@@ -1861,47 +1824,36 @@ _mesa_make_current2( GLcontext *newCtx, GLframebuffer *drawBuffer,
 
    _glapi_set_context((void *) newCtx);
    ASSERT(_mesa_get_current_context() == newCtx);
-   if (newCtx) {
-      SET_IMMEDIATE(newCtx, newCtx->input);
-      _glapi_set_dispatch(newCtx->CurrentDispatch);
-   }
-   else {
+
+
+   if (!newCtx) {
       _glapi_set_dispatch(NULL);  /* none current */
    }
+   else {
+      _glapi_set_dispatch(newCtx->CurrentDispatch);
 
-   if (MESA_VERBOSE) fprintf(stderr, "_mesa_make_current()\n");
+      if (drawBuffer && readBuffer) {
+	 /* TODO: check if newCtx and buffer's visual match??? */
+	 newCtx->DrawBuffer = drawBuffer;
+	 newCtx->ReadBuffer = readBuffer;
+	 newCtx->NewState |= _NEW_BUFFERS;
+	 /* gl_update_state( newCtx ); */
+      }
 
-   if (newCtx && drawBuffer && readBuffer) {
-      /* TODO: check if newCtx and buffer's visual match??? */
-      newCtx->DrawBuffer = drawBuffer;
-      newCtx->ReadBuffer = readBuffer;
-      newCtx->NewState |= _NEW_BUFFERS;
-      gl_update_state( newCtx );
-   }
+      if (newCtx->Driver.MakeCurrent) 
+	 newCtx->Driver.MakeCurrent( newCtx, drawBuffer, readBuffer );
 
-   /* We can use this to help debug user's problems.  Tell the to set
-    * the MESA_INFO env variable before running their app.  Then the
-    * first time each context is made current we'll print some useful
-    * information.
-    */
-   if (newCtx && newCtx->FirstTimeCurrent) {
-      if (getenv("MESA_INFO")) {
-         fprintf(stderr, "Mesa GL_VERSION = %s\n", (char *) _mesa_GetString(GL_VERSION));
-         fprintf(stderr, "Mesa GL_RENDERER = %s\n", (char *) _mesa_GetString(GL_RENDERER));
-         fprintf(stderr, "Mesa GL_VENDOR = %s\n", (char *) _mesa_GetString(GL_VENDOR));
-         fprintf(stderr, "Mesa GL_EXTENSIONS = %s\n", (char *) _mesa_GetString(GL_EXTENSIONS));
-#if defined(THREADS)
-         fprintf(stderr, "Mesa thread-safe: YES\n");
-#else
-         fprintf(stderr, "Mesa thread-safe: NO\n");
-#endif
-#if defined(USE_X86_ASM)
-         fprintf(stderr, "Mesa x86-optimized: YES\n");
-#else
-         fprintf(stderr, "Mesa x86-optimized: NO\n");
-#endif
+      /* We can use this to help debug user's problems.  Tell them to set
+       * the MESA_INFO env variable before running their app.  Then the
+       * first time each context is made current we'll print some useful
+       * information.
+       */
+      if (newCtx->FirstTimeCurrent) {
+	 if (getenv("MESA_INFO")) {
+	    print_info();
+	 }
+	 newCtx->FirstTimeCurrent = GL_FALSE;
       }
-      newCtx->FirstTimeCurrent = GL_FALSE;
    }
 }
 
@@ -1927,7 +1879,7 @@ _mesa_get_current_context( void )
 void
 _mesa_swapbuffers(GLcontext *ctx)
 {
-   FLUSH_VB( ctx, "swap buffers" );
+   FLUSH_TNL( ctx, FLUSH_STORED_VERTICES );
 }